standard tuning. now this song wasn't originaly written with a bass line but my band put one in and it sounds good!

(chorus)
g------------------------------------
d------------------------------------
a-2-2-222--0-0-000--5-5-555----------
e----------------------------0-0-000-
(verse)
g--------------------------------------
d--------------------------------------
a-----------0-0-000--5-5-555-----------
e--2-2-222--------------------0-0-000--